WO2018023863A1 - Autocuiseur électrique - Google Patents

Autocuiseur électrique Download PDF

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Publication number
WO2018023863A1
WO2018023863A1 PCT/CN2016/099924 CN2016099924W WO2018023863A1 WO 2018023863 A1 WO2018023863 A1 WO 2018023863A1 CN 2016099924 W CN2016099924 W CN 2016099924W WO 2018023863 A1 WO2018023863 A1 WO 2018023863A1
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WO
WIPO (PCT)
Prior art keywords
pressure cooker
electric pressure
pot
cooker according
electromagnetic heating
Prior art date
Application number
PCT/CN2016/099924
Other languages
English (en)
Chinese (zh)
Inventor
宋延平
苏畅
Original Assignee
佛山市顺德区美的电热电器制造有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201620840768.4U external-priority patent/CN207084671U/zh
Priority claimed from CN201610634895.3A external-priority patent/CN107296494A/zh
Priority claimed from CN201620840766.5U external-priority patent/CN206197749U/zh
Priority claimed from CN201620838599.0U external-priority patent/CN206560307U/zh
Priority claimed from CN201620841271.4U external-priority patent/CN208259540U/zh
Priority claimed from CN201610634863.3A external-priority patent/CN107684337A/zh
Priority claimed from CN201610634864.8A external-priority patent/CN107684340B/zh
Priority claimed from CN201610634892.XA external-priority patent/CN107684342A/zh
Priority claimed from CN201610634893.4A external-priority patent/CN107296493A/zh
Priority claimed from CN201620841233.9U external-priority patent/CN206586809U/zh
Priority to EP16911458.4A priority Critical patent/EP3332676B1/fr
Application filed by 佛山市顺德区美的电热电器制造有限公司 filed Critical 佛山市顺德区美的电热电器制造有限公司
Publication of WO2018023863A1 publication Critical patent/WO2018023863A1/fr

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
    • A47J27/086—Pressure-cookers; Lids or locking devices specially adapted therefor with built-in heating means

Definitions

  • the present invention relates to the field of electrical appliance manufacturing technology, and in particular to an electric pressure cooker.
  • the inner pot is heated by providing a hot plate having a heat pipe on the outer pot, and the heating method has a high thermal inertia, and the controllability of temperature and pressure is poor, resulting in pressure control accuracy of the pressure cooker. Low, affecting cooking effects.
  • the present invention aims to solve at least one of the above technical problems in the prior art to some extent.
  • the present invention provides an electric pressure cooker which has the advantages of low thermal inertia, good controllability, high production efficiency, good heating effect, and high reliability.
  • an electric pressure cooker includes: an outer pot, a lower end of the outer pot is provided with a support rib; a support member, and the support member is disposed on the outer pot Internally supported on the support rib; an inner pot, the inner pot is disposed in the outer pot and supported on the support member, and the inner pot is supported by the support member under the support of the support member
  • the inner bottom surface of the outer pot is spaced apart; an electromagnetic heating device for heating the inner pot, the electromagnetic heating device being disposed between an outer bottom surface of the inner pot and an inner bottom surface of the outer pot.
  • the electric pressure cooker according to the embodiment of the invention has the advantages of low thermal inertia, good controllability, high production efficiency, good heating effect and high reliability.
  • the electric pressure cooker according to the above embodiment of the present invention may further have the following additional technical features:
  • the support is a rigid support.
  • the rigid support comprises a plurality of support columns arranged circumferentially along the inner pot.
  • the outer periphery of the outer bottom surface of the inner pot is supported on a plurality of the support columns.
  • the rigid support member further includes a connecting ring extending along a circumferential direction of the inner pot and respectively connected to the plurality of supporting columns, and the electromagnetic heating device is fitted in the connecting ring .
  • a plurality of said support columns are attached to a lower surface of said connecting ring, said inner pot being supported on said connecting ring.
  • the rigid support member is a support ring table extending in the circumferential direction of the inner pot, and the electromagnetic heating device is fitted in the support ring table.
  • the inner bottom wall of the outer pot is provided with a support positioning groove, and the rigid support is fitted in the support positioning groove.
  • the electric pressure cooker further includes a fan
  • the housing is provided with an air inlet and an air outlet
  • the fan is disposed on an inner surface of the housing and an outer surface of the outer pot between.
  • the bottom wall of the outer pot is provided with a heat dissipation opening, and the fan is disposed between the bottom wall of the outer pot and the bottom wall of the casing.
  • the heat dissipation opening has a cross-sectional area greater than 1500 square millimeters.
  • connection between the peripheral wall and the bottom wall of the outer pot is provided with a ventilation gap.
  • the ventilation gap has a depth in the vertical direction of less than 90 mm, and the ventilation gap has a width in the circumferential direction of the outer pot of less than 200 mm.
  • the distance between the fan and the bottom wall of the outer pot is less than or equal to 150 mm.
  • the electric pressure cooker further includes a power board located between the outer peripheral wall of the outer pot and the inner peripheral wall of the housing and adjacent to the fan.
  • the power board is provided with a heat sink adjacent to one end of the fan.
  • the power strip is oriented in a vertical direction, and the fin extends from the power strip to the housing.
  • the housing is provided with a wind deflector, the wind deflector being oriented in a vertical direction and spaced apart from the heat sink.
  • the distance between the wind deflector and the heat sink is less than or equal to 30 mm.
  • the fan is located above the air inlet.
  • the housing includes a base, and the air inlet and the air outlet are both disposed on the base and adjacent to opposite ends of the base.
  • the bottom of the housing is provided with legs, the legs being 1 - 75 mm from the lower surface of the housing.
  • the inner circumference of the heat dissipation opening is provided with an upper flange.
  • the height of the upper flange in the vertical direction is 1-15 mm.
  • an elastic member is provided below the support member, and the support member is supported on the elastic member.
  • the elastic member is deformed when the pressure in the inner pot reaches a predetermined value to depressurize the inner pot;
  • the elastic member is deformed when the pressure in the inner pot reaches a predetermined value to cause the inner pot to move downward.
  • a peripheral wall reinforcing rib is disposed on a peripheral wall of the outer pot, and a bottom wall reinforcing rib is disposed on a bottom wall of the outer pot, and two ends of the elastic member are respectively supported on the bottom wall The rib is supported and the support member is supported at a center in the longitudinal direction of the elastic member.
  • the elastic member is plate-shaped and the width gradually increases from both ends to the middle.
  • the support member is provided with a mounting hole
  • the outer pot is provided with an outer pot through hole
  • the elastic member is provided with an elastic member through hole
  • the support member is matched by A mounting hole, the outer pot through hole, and a threaded fastener in the elastic member through hole are mounted on the outer pot.
  • the height of the bottom wall stiffener from the bottom wall of the outer pot is less than 30 mm.
  • the outer pot is stamped from a cold rolled sheet having a thickness of 0.4 to 2 mm.
  • the electromagnetic heating device comprises an electromagnetic heating plate, the projection of the electromagnetic heating plate and the support member in the horizontal direction being staggered.
  • the electromagnetic heating plate is spaced apart from at least one of an inner bottom surface of the outer pot and an outer bottom surface of the inner pot.
  • the electromagnetic heating plate is respectively spaced apart from an inner bottom surface of the outer pot and an outer bottom surface of the inner pot and is closer to the outer pot than the inner bottom surface of the outer pot Bottom surface.
  • the electromagnetic heating device further includes a bracket disposed between an outer bottom surface of the inner pot and an inner bottom surface of the outer pot, and the support member is disposed on the bracket The electromagnetic heating plate is disposed on the bracket.
  • the bracket is provided with mounting holes spaced along its circumferential direction, and the support member fits within the mounting hole.
  • the electromagnetic heating plate includes: a coil disk having a coil groove; a coil, the coil is fitted in the coil groove; and a magnetic strip, the magnetic strip is disposed at On the coil disk.
  • the electromagnetic heating plate further includes a magnetic strip holder mounted on the coil disk, and the magnetic strip is mounted on the magnetic strip holder.
  • the coil disk is integrally formed with the bracket.
  • the coil disk is attached to the bracket by a threaded fastener.
  • the magnetic strip fixing frame is provided with a magnetic strip mounting groove
  • the coil disk is provided with a magnetic strip positioning groove
  • the magnetic strip is provided with a positioning protrusion
  • the magnetic strip is matched
  • the magnetic strip mounting groove is in the magnetic strip positioning groove and the positioning protrusion is fitted in the magnetic strip positioning groove.
  • the positioning protrusion includes an inner positioning protrusion and an outer positioning protrusion respectively located at two ends of the magnetic strip
  • the magnetic strip positioning groove includes an inner side disposed adjacent to a center of the coil disk Positioning slot and adjacent to the line
  • An outer positioning groove is disposed on the outer circumference of the ring, the inner positioning protrusion is fitted in the inner positioning groove and the outer positioning protrusion is fitted in the outer positioning groove.
  • the outer edge of the magnetic strip holder is provided with a escape groove for escaping the support member.
  • the upper surface of the bracket is provided with a decorative cover, and the decorative cover is provided with a through hole for avoiding the support member.
  • FIG. 1 is a cross-sectional view of an electric pressure cooker in accordance with an embodiment of the present invention.
  • FIG. 2 is a schematic structural view of a support member and an electromagnetic heating device of an electric pressure cooker according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural view of a support member and an electromagnetic heating device of an electric pressure cooker according to another embodiment of the present invention.
  • FIG. 4 is a schematic structural view of a support member of an electric pressure cooker according to another embodiment of the present invention.
  • FIG. 5 is a schematic structural view of a support member of an electric pressure cooker according to another embodiment of the present invention.
  • FIG. 6 is a schematic structural view of a support column of a support member of an electric pressure cooker according to another embodiment of the present invention.
  • Fig. 7 is a schematic structural view of an outer pot of an electric pressure cooker according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural view of an outer pot of an electric pressure cooker according to an embodiment of the present invention.
  • FIG. 9 is a cross-sectional view of an outer pot of an electric pressure cooker in accordance with an embodiment of the present invention.
  • Figure 10 is a partial structural schematic view of an electric pressure cooker according to an embodiment of the present invention.
  • Figure 11 is a cross-sectional view of an electric pressure cooker in accordance with an embodiment of the present invention.
  • Figure 12 is a schematic view showing the structure of an electric pressure cooker according to an embodiment of the present invention.
  • Figure 13 is a partial structural schematic view of an electric pressure cooker according to an embodiment of the present invention.
  • Figure 14 is a partial structural schematic view of an electric pressure cooker according to an embodiment of the present invention.
  • Figure 15 is a schematic view showing the structure of an outer pot of an electric pressure cooker according to an embodiment of the present invention.
  • Figure 16 is an exploded view of an electric pressure cooker in accordance with an embodiment of the present invention.
  • Figure 17 is a partial structural schematic view of an electric pressure cooker according to an embodiment of the present invention.
  • Figure 18 is an exploded view of an electric pressure cooker in accordance with an embodiment of the present invention.
  • 19 is a partial structural schematic view of an electric pressure cooker according to an embodiment of the present invention.
  • FIG. 20 is a schematic structural view of a magnetic strip holder and a magnetic strip of an electric pressure cooker according to an embodiment of the present invention.
  • 21 is a schematic structural view of a magnetic strip holder and a magnetic strip of an electric pressure cooker according to an embodiment of the present invention.
  • an electric pressure cooker 1 includes an outer pot 100, a support member 200, an inner pot 300, and an electromagnetic heating device 400.
  • the lower end of the outer pot 100 is provided with a support rib 110 (up and down direction is indicated by an arrow A in FIGS. 1-4).
  • the support member 200 is disposed in the outer pot 100 and supported on the support rib 110.
  • the inner pot 300 is disposed in the outer pot 100 and supported on the support member 200.
  • the inner pot 300 is spaced apart from the inner bottom surface of the outer pot 100 under the support of the support member 200.
  • the electromagnetic heating device 400 is for heating the inner pot 300, and the electromagnetic heating device 400 is disposed between the outer bottom surface of the inner pot 300 and the inner bottom surface of the outer pot 100.
  • the electromagnetic heating device 400 can be used to electromagnetically heat the inner pot 300 by using the electromagnetic heating device 400.
  • the electric heating plate is used for heating, and electromagnetic heating can be used to reduce The thermal inertia facilitates the control of the temperature and improves the control accuracy of the temperature and pressure, thereby improving the cooking effect of the electric pressure cooker 1.
  • the support member 200 can be supported on the support ribs 110, so that the support member 200 can be supported on the outer pot 100 to ensure the support effect of the support member 200 on the inner pot 300.
  • the bottom wall of the outer pot 100 can be easily processed, for example, the bottom wall of the outer pot 100 is opened to facilitate heat dissipation.
  • the inner pot 300 can be supported by the support member 200.
  • the pressure in the inner pot 300 is increased to generate a downward thrust.
  • the force of the inner pot 300 is transmitted to the outer pot 100 through the support member 200, due to the inside.
  • the support between the pot 300 and the outer pot 100 is supported by the support member 200, so that the outer bottom surface of the inner pot 300 and the inner bottom surface of the outer pot 100 are kept spaced apart during operation of the electric pressure cooker 1 to prevent the inner pot 300 and the outer pot 100 from being squeezed electromagnetically.
  • the device 400 is heated to prevent damage to the electromagnetic heating device 400, and the reliability of the electromagnetic heating device 400 is improved.
  • the support member 200 can be prevented from escaping the electromagnetic heating plate 410, and the support member 200 is prevented from interfering with the setting of the electromagnetic heating plate 410.
  • the electromagnetic heating plate 410 and the bottom wall of the inner pot 300 are not blocked by the support member 200. This can facilitate the electromagnetic heating plate 410 as close as possible to the bottom wall of the inner pot 300, to improve the heating effect of the electromagnetic heating plate 410 on the inner pot 300, improve the heating efficiency of the electromagnetic heating device 400, and facilitate the control of the inner bottom surface of the outer pot 100.
  • the distance from the outer bottom surface of the inner pot 300 leaves more space for the arrangement of the electromagnetic heating device 400, further preventing the electromagnetic heating device 400 from being damaged by pressure.
  • the electric pressure cooker 1 according to the embodiment of the present invention has the advantages of low thermal inertia, good controllability, high production efficiency, good heating effect, and high reliability.
  • an electric pressure cooker 1 includes an outer pot 100, a support 200, an inner pot 300, and an electromagnetic heating device 400.
  • the support post 210 is a rigid support.
  • the support member 200 is disposed in the outer pot 100.
  • the inner pot 300 is disposed in the outer pot 100 and supported on the support member 200.
  • the inner pot 300 is spaced apart from the inner bottom surface of the outer pot 100 under the support of the support member 200.
  • the electromagnetic heating device 400 is used to heat the inner pot 300.
  • the electromagnetic heating device 400 is disposed between the outer bottom surface of the inner pot 300 and the inner bottom surface of the outer pot 100.
  • the electromagnetic heating device 400 includes an electromagnetic heating plate 410, an electromagnetic heating plate 410 and a support. The projection of the piece 200 in the horizontal direction is staggered.
  • the electromagnetic heating plate 410 refers to a structure of the electromagnetic heating device 400 for realizing the electromagnetic heating function
  • the "electromagnetic heating device 400 includes the electromagnetic heating plate 410” may mean that the electromagnetic heating device 400 includes the electromagnetic heating plate 410 and other structures. It can also be said that the electromagnetic heating device 400 is an electromagnetic heating plate 410. "The projection of the electromagnetic heating plate 410 and the support member 200 in the horizontal direction is staggered” means that the projection of the electromagnetic heating plate 410 and the support member 200 in the horizontal direction does not coincide.
  • the elastic member can be prevented from weakening or even failing due to long-term use or excessive pressure, compared to the manner in which the elastic member supports the inner pot 300. Since the inner pot 300 and the outer pot 100 do not move relative to each other, there is no need to reserve a space for compressing the elastic member between the outer pot 100 and the inner pot 300. On the one hand, it is convenient to control the size of the electric pressure cooker 1, and on the other hand, it can be further The electromagnetic heating device 400 is prevented from being damaged by pressure. Due to the structural limitation of the elastic member itself, other rigid structures are required to connect and position the elastic members. The support member 200 can eliminate the structure for connecting and positioning the elastic members, thereby reducing the number of parts of the electric pressure cooker 1 and simplifying the electric power. The structure of the pressure cooker 1 improves the production efficiency of the electric pressure cooker 1.
  • an electric pressure cooker 1 includes an outer pot 100, a support 200, an inner pot 300, and an electromagnetic heating device 400.
  • the lower end of the outer pot 100 is provided with a support rib 110.
  • the bottom wall of the outer pot 100 is provided with a heat dissipation opening 120, and the support rib 110 is formed on the inner peripheral wall of the heat dissipation opening 120.
  • the vent 120 can be generally triangular. This can not only make The airflow can pass through the heat dissipation port 120 to facilitate heat dissipation of the outer pot 100, and the heating of the bottom of the electromagnetic heating device 400 to the outer pot 100 can be reduced, thereby further facilitating the cooling and cooling of the outer pot 100.
  • the support ribs 110 may be composed of a portion of the bottom wall of the outer pot 100 other than the heat dissipation opening 120.
  • the electromagnetic heating plate 410 is disposed at least one of an inner bottom surface of the outer pan 100 and an outer bottom surface of the inner pan 300. This not only facilitates the arrangement of the electromagnetic heating device 400, but also further prevents the electromagnetic heating device 400 from being damaged by the pressing of the outer pot 100 and the inner pot 300.
  • the support 200 includes a plurality of support columns 210 disposed along the circumferential spacing of the inner pot 300. Specifically, a plurality of support columns 210 are equally spaced around the electromagnetic heating plate 410. In this way, the inner pot 300 can be supported by the plurality of support columns 210, which not only facilitates the support of the inner pot 300, but also facilitates the transfer of the force of the inner pot 300 to the outer pot 100 by the support member 200.
  • the support columns 210 can be three. This can facilitate the support of the inner pot 300 and ensure the stability of the inner pot 300.
  • the outer periphery of the outer bottom surface of inner pot 300 is supported on a plurality of support columns 210. This not only further facilitates the support of the inner pot 300, further improves the stability of the inner pot 300, but also allows more installation space for the electromagnetic heating plate 410, on the one hand, facilitates the installation of the electromagnetic heating plate 410, and on the other hand, It is convenient to increase the size of the electromagnetic heating pan 410 to ensure that the inner pan 300 can be uniformly heated.
  • the electromagnetic heating device 400 further includes a bracket 420, and the electromagnetic heating plate 410 is disposed on the bracket 420, and the bracket 420 is provided with a plurality of mounting holes spaced along the circumferential direction thereof. A plurality of support columns 210 are respectively fitted in the plurality of mounting holes.
  • the bracket 420 may be spaced from the inner pot 300 or may be attached to the inner pot 300, but the bracket 420 is used to position the electromagnetic heating plate 410, and is not used to support the inner pot 300.
  • the electromagnetic heating plate 410 is provided on the lower surface of the bracket 420.
  • This can not only facilitate the positioning of the support column 210 and the electromagnetic heating device 400, but also facilitate the installation of the support column 210 and the electromagnetic heating device 400, and can avoid the component force generated when the support column 210 is pressed, so as to improve the stability of the support column 210.
  • the support member 200 further includes a connecting ring extending in the circumferential direction of the inner pot 300 and connected to the plurality of supporting columns 210, respectively, and the electromagnetic heating device 400 is coupled to the connecting ring.
  • This can not only facilitate positioning of the plurality of support columns 210 and the electromagnetic heating device 400, but also facilitate the installation of the support member 200, and can avoid the component force generated when the support column 210 is pressed, thereby improving the stability of the support member 200.
  • the support column 210 and the connecting ring 220 may be integrally formed.
  • a plurality of support columns 210 are attached to the lower surface of the connecting ring 220, and the inner pot 300 is supported on the connecting ring 220. This can further facilitate the support of the inner pot 300, so that the inner pot 300 is more evenly stressed, further improving the stability of the inner pot 300.
  • the support member 200 extends circumferentially along the inner pot 300.
  • the support ring table 230, the electromagnetic heating device 400 is fitted in the support ring table 230.
  • the inner pot 300 can be supported by the annular support member 200, the force of the inner pot 300 and the outer pot 100 can be made uniform, the stability of the inner pot 300 can be improved, and the outer pot 100 can be avoided due to excessive local pressure. Or the inner pot 300 is deformed or even damaged, thereby further improving the reliability of the electric pressure cooker 1.
  • Fig. 1 shows an electric pressure cooker 1 according to a specific example of the present invention.
  • the inner bottom wall of the outer pot 100 is provided with a support positioning groove, and the support member 200 is fitted in the support positioning groove. This can further facilitate positioning of the support member 200 to facilitate installation of the support member 200.
  • the support member 200 is mounted on the outer pot 100 by threaded fasteners. This not only improves the mounting strength of the support member 200, but also improves the stability of the support member 200.
  • the electromagnetic heating plate 410 is an electromagnetic coil disk.
  • the lower surface of the bracket 420 may be provided with a plurality of winding grooves, and the electromagnetic coil disk is wound in the winding groove. This facilitates electromagnetic heating of the inner pot 300.
  • the electric pressure cooker 1 may further include a body 20 and a lid 10 .
  • the inner pot 300, the outer pot 100, the support member 200, and the electromagnetic heating device 400 are disposed in the pot body 20.
  • the bottom wall of the outer pot 100 is provided with a heat dissipation opening 120, and the support ribs 110 are formed on the inner peripheral wall of the heat dissipation opening 120.
  • the vent 120 can be generally triangular. In this way, not only the airflow can pass through the heat dissipation port 120, but also the heat dissipation of the outer pot 100 can be reduced, and the heating of the bottom of the outer pot 100 by the electromagnetic heating device 400 can be reduced, thereby further facilitating the cooling and cooling of the outer pot 100.
  • the heat dissipation opening 120 has a cross-sectional area greater than 1500 square millimeters. This can ensure the heat dissipation effect of the outer pot 100.
  • the support ribs 110 may be composed of a portion of the bottom wall of the outer pot 100 other than the heat dissipation opening 120.
  • a ventilation gap 130 is provided at the junction of the peripheral wall and the bottom wall of the outer pot 100.
  • the airflow can pass through the ventilation gap 130, and the heat can be discharged through the ventilation gap 130, so that the heat dissipation of the outer pot 100 can be further facilitated.
  • the depth h of the venting notch 130 in the vertical direction is less than 90 mm, and the width a of the venting notch 130 in the circumferential direction of the outer pot 100 is less than 200 mm. In this way, the volume and structural strength of the outer pot 100 can be ensured while ensuring the heat dissipation effect of the ventilation gap 130.
  • the lower end of the support column 210 has a lower support plane, and the support rib 110 is provided with an outer pot support plane 111 supported on the outer pot support plane 111.
  • the stability of the supporting column 210 supported on the supporting rib 110 can be improved, thereby improving the stability of the inner pot 300 supported on the supporting column 210, and further improving the supporting effect on the inner pot 300.
  • an elastic member is disposed below the support column 210, and the support column 210 is supported on the elastic member 220.
  • the elastic member 220 is deformed to shorten the distance between the inner pot 300 and the outer pot 100, thereby depressurizing the electric pressure cooker 1.
  • the peripheral wall of the outer pot 100 is provided with a peripheral wall reinforcing rib 141, and the bottom wall of the outer pot 100 is provided with a bottom wall reinforcing rib 142.
  • the structural strength of the outer pot 100 can be improved, the outer pot 100 can be prevented from being deformed, and the structural strength and stability of the support rib 110 can be improved, and the support rib 110 can be prevented from being deformed, thereby causing the support column 210 to be displaced, thereby further improving the support column.
  • the stability of 210, and the support post 210 can be positioned using the bottom wall stiffeners 142.
  • the height of the bottom wall stiffener 142 from the bottom wall of the outer pan 100 is less than 30 millimeters. This can ensure the reinforcing effect of the bottom wall reinforcing rib 142 on the outer pot 100.
  • the inner periphery of the vent 120 is provided with an upper flange 121.
  • the upper flange 121 can be used to further improve the structural strength of the outer pot 100, but also the outer pot 100 can be deformed, and the upper flange 121 can be used to block the water flow, preventing water from flowing down from the heat dissipation opening 120, and ensuring the reliability of the electric pressure cooker 1.
  • the height of the upper flange 121 in the vertical direction is 1-15 mm. This facilitates the manufacture of the upper flange 121 in the case of ensuring the blocking effect of the upper flange 121 on the water flow.
  • the support ribs 110 are provided with mounting holes 112.
  • the support column 210 may be provided with a threaded hole, and the support column 210 is mounted on the support rib 110 by screws or bolts fitted in the mounting hole 112 and the threaded hole. This can facilitate the fixing of the support column 210, and further improve the stability and reliability of the support column 210.
  • the support ribs 110 are plural and spaced apart along the circumferential direction of the outer pot 100, and the support uprights 210 are plural and supported on a plurality of support ribs 110, respectively.
  • the inner pot 300 can be supported by the plurality of support columns 210, which not only makes the inner pot 300 and the outer pot 100 more uniformly, but also can further improve the stability of the inner pot 300.
  • the support columns 210 can be three. This can facilitate the support of the inner pot 300 and ensure the stability of the inner pot 300.
  • the outer pot 100 is stamped from a cold rolled sheet having a thickness of 0.4 to 2 mm. This can facilitate the structural strength and rigidity of the outer pot 100.
  • Fig. 1 shows an electric pressure cooker 1 according to a specific example of the present invention.
  • the electromagnetic heating device 400 includes an electromagnetic heating plate 410, and the projection of the electromagnetic heating plate 410 and the support column 210 in the horizontal direction is staggered.
  • the electromagnetic heating plate 410 refers to a structure of the electromagnetic heating device 400 for realizing the electromagnetic heating function, and the "electromagnetic heating device 400 includes the electromagnetic heating plate 410" may mean that the electromagnetic heating device 400 includes the electromagnetic heating plate 410 and other structures. It can also be said that the electromagnetic heating device 400 is an electromagnetic heating plate 410.
  • the projection of the electromagnetic heating plate 410 and the support column 210 in the horizontal direction is staggered means that the projections of the electromagnetic heating plate 410 and the support column 210 in the horizontal direction do not coincide.
  • the projection of the electromagnetic heating plate 410 and the supporting column 210 of the electromagnetic heating device 400 in the horizontal direction is staggered, so that the supporting column 210 can avoid the electromagnetic heating plate 410, and the supporting column 210 is prevented from obstructing the setting of the electromagnetic heating plate 410, so that the electromagnetic heating plate 410 is provided. There is no barrier between the support post 210 and the bottom wall of the inner pot 300.
  • the distance from the outer bottom surface of the inner pot 300 leaves more space for the arrangement of the electromagnetic heating device 400, further preventing the electromagnetic heating device 400 from being damaged by pressure.
  • the electric pressure cooker 1 may further include a body 20 and a lid 10.
  • the inner pot 300, the outer pot 100, the support column 210, and the electromagnetic heating device 400 are disposed in the pot body 20.
  • the outer circumference of the outer pot 100 may be provided with a plurality of outer pot teeth
  • the lid 10 may be provided with a plurality of inner pot teeth
  • an electric pressure cooker 1 includes an outer pot 100, a rigid support column 210, an inner pot 300, an electromagnetic heating device 400, a housing 600, and a fan 700.
  • the housing 600 is provided with an air inlet 611 and an air outlet 612.
  • the outer pot 100 is disposed within the housing 600.
  • a rigid support column 210 is disposed within the outer pot 100.
  • the inner pot 300 is disposed in the outer pot 100 and supported on the rigid support column 210.
  • the inner pot 300 is spaced apart from the inner bottom surface of the outer pot 100 under the support of the rigid support column 210.
  • the electromagnetic heating device 400 is for heating the inner pot 300, and the electromagnetic heating device 400 is disposed between the outer bottom surface of the inner pot 300 and the inner bottom surface of the outer pot 100.
  • the fan 700 is disposed between the inner surface of the housing 600 and the outer surface of the outer pot 100.
  • the air inlet 611 and the air outlet 612 on the casing 600 and providing the fan 700 in the casing 600 the air can be conveyed by the fan 700, and the air is introduced into the casing 600 through the air inlet 611.
  • the heat in the 600 is sent out through the air outlet 612 to cool the internal structure of the casing 600 to ensure reliable operation of the electric pressure cooker 1.
  • the distance between the fan 700 and the bottom wall of the outer pot 100 is 150 mm or less. In this way, the distance between the fan 700 and the outer pot 100 can be sufficiently close to ensure the wind speed at the electromagnetic heating device 400, and the cooling effect on the electromagnetic heating device 400 and the outer pot 100 can be ensured.
  • connection between the peripheral wall and the bottom wall of the outer pot 100 is provided with a ventilation gap 130, and the ventilation gap 130 is disposed adjacent to the fan 700. This allows airflow to enter the outer pot 100 through the venting notch 130, thereby further facilitating heat dissipation from the electromagnetic heating device 400 and the outer pan 100.
  • the venting notch 130 is in communication with the vent 120. This allows airflow to enter the vent 120 through the venting notch 130, thereby further facilitating heat dissipation from the electromagnetic heating device 400 and the outer pan 100.
  • the depth of the ventilation gap 130 is less than 90 mm in the vertical direction, and the width of the ventilation notch 130 in the circumferential direction of the outer pot 100 is less than 200 mm. In this way, the outer pot can be ensured while ensuring the heat dissipation effect of the ventilation gap 130. 100 volume and structural strength.
  • the electric pressure cooker 1 further includes a power board 800 disposed between the outer peripheral wall of the outer pot 100 and the inner peripheral wall of the housing 600 and adjacent to the fan 700.
  • the power supply panel 800 can be powered not only by the power board 800, but also by the power supply panel 800. reliability.
  • the power strip 800 is provided with a heat sink 810 adjacent one end of the fan 700.
  • the heat sink 810 can be used to further dissipate heat from the power board 800, increase the heat dissipation area of the power board 800, and reduce the heat dissipation effect of the fan 700 on the power board 800.
  • the power strip 800 is oriented in a vertical direction and the heat sink 810 extends from the power strip 800 toward the housing 600.
  • the extending direction of the heat sink 810 can be perpendicular to the airflow direction blown by the fan 700 to improve the heat dissipation effect of the fan 700 on the heat sink 810.
  • the heat sink 810 may be plural and spaced apart in the horizontal direction.
  • the plurality of heat sinks 810 can be used for heat dissipation, so that the airflow can pass through the gap between the adjacent two heat sinks 810, thereby further improving the heat dissipation area and ensuring the heat dissipation effect.
  • the housing 600 is provided with a wind deflector 630 that is oriented in a vertical direction and spaced apart from the heat sink 810. In this way, the airflow blown by the fan 700 can be guided by the windshield 630 to ensure the heat dissipation effect of the fan 700.
  • the distance between the windshield 630 and the fins 810 is 30 mm or less. In this way, the resistance when the airflow is blown through the gap between the windshield 630 and the heat sink 810 can be adjusted to further ensure the heat dissipation effect of the fan 700.
  • FIG. 1 to 21 show an electric pressure cooker 1 according to a specific example of the present invention.
  • the fan 700 is located above the air inlet 611. This can shorten the distance between the air inlet 611 and the fan 700, and ensure the gas flow rate in the casing 600, thereby ensuring the cooling effect on the electromagnetic heating device 400 and the outer pot 100.
  • the housing 600 includes a base 610, and the air inlet 611 and the air outlet 612 are both disposed on the base 610 and adjacent to both ends of the base 610, respectively.
  • the air inlet 611 and the air outlet 612 are both disposed on the base 610 and adjacent to both ends of the base 610, respectively.
  • the air inlet 611 is adjacent to the front end of the base 610 and the air outlet 612 is adjacent to the rear end of the base 610 (the front and rear direction is indicated by an arrow B in the figure).
  • the bottom of the housing 600 is provided with legs 620 that are 1-75 mm from the lower surface of the housing 600.
  • legs 620 that are 1-75 mm from the lower surface of the housing 600.
  • the fan 700 starts to operate, and the outside air enters the casing 600 through the air inlet 611, and under the action of the fan 700, airflow is generated in the casing 600.
  • the windshield 630 most of the airflow enters between the bottom wall of the outer pot 100 and the bottom wall of the inner pot 300 through the ventilation gap 130 and the heat dissipation opening 120, and the heat of the electromagnetic heating device 400 is taken away and passed out.
  • the tuyere 612 is discharged, and the remaining portion is blown to the power board 800 to dissipate heat from the heat sink 810.
  • an electric pressure cooker 1 includes an outer pot 100, a support column 210, an elastic member 220, an inner pot 300, an electromagnetic heating device 400, a housing 600, and Fan 700.
  • the housing 600 is provided with an air inlet 611 and an air outlet 612.
  • the outer pot 100 is disposed within the housing 600.
  • the elastic member 220 is disposed inside the outer pot 100 and supported on the bottom wall of the outer pot 100.
  • the support column 210 is disposed in the outer pot 100 and supported on the elastic member 220.
  • the inner pot 300 is disposed in the outer pot 100 and supported on the support column 210.
  • the elastic member 220 is deformed when the pressure in the inner pot 300 reaches a predetermined value to depressurize the inner pot 300.
  • the electromagnetic heating device 400 is for heating the inner pot 300, and the electromagnetic heating device 400 is disposed between the outer bottom surface of the inner pot 300 and the inner bottom surface of the outer pot 100.
  • the fan 700 is disposed between the inner surface of the housing 600 and the outer surface of the outer pot 100.
  • the elastic member 220 can be deformed when the pressure in the inner pot 300 reaches a predetermined value to depress the inner pot 300. In this way, the pressure inside the inner pot 300 is prevented from being excessively large, and the electric pressure cooker 1 is damaged, and the reliability of the electric pressure cooker 1 is improved.
  • the elastic member 220 is deformed when the pressure in the inner pot 300 reaches a predetermined value to cause the inner pot 300 to move downward. Specifically, with the operation of the electric pressure cooker 1, the pressure in the inner pot 300 continues to increase, the force of the inner pot 300 acting on the support column 210 continues to increase, and the force acting on the elastic member 220 of the support post 210 continues to increase. Large, when the pressure in the inner pot 300 exceeds the normal pressure control range and continues to rise to a predetermined value, the elastic member 220 is deformed by force to cause the inner pot 300 to move down to release pressure. In this way, the pressure relief of the inner pot 300 can be achieved, and the reliability of the electric pressure cooker 1 can be ensured.
  • the electric pressure cooker 1 includes a pot body and a lid which is reversibly provided on the pot to open or close the inner pot 300.
  • a seal ring may be provided between the inner pot 300 and the lid.
  • the bottom wall of the outer pot 100 is provided with reinforcing ribs, and both ends of the elastic member 220 are respectively supported on the reinforcing ribs and the supporting uprights 210 are supported at the center in the longitudinal direction of the elastic member 220.
  • This can facilitate the deformation of the elastic member 220 to move the support column 210 downward, so that the inner pot 300 moves down when the elastic member 220 is deformed.
  • the reinforcing ribs include a peripheral wall reinforcing rib 141 and a bottom wall reinforcing rib 142.
  • the peripheral wall of the outer pot 100 is provided with a peripheral wall reinforcing rib 141, and the bottom wall of the outer pot 100 is provided with a bottom wall reinforcing rib 142.
  • the elastic member 220 may be supported on the bottom wall reinforcing rib 142. This can improve the structural strength of the outer pot 100 and prevent the outer pot from being made.
  • the deformation is natural, and the structural strength and stability of the bottom wall of the outer pot 100 can be improved, and the deformation of the outer pot 100 can be prevented, resulting in displacement of the rigid support column 210, thereby further improving the stability of the rigid support column 210, and
  • the rigid support column 210 is positioned using the bottom wall stiffener 142.
  • the elastic member 220 is plate-shaped and the width gradually increases from both ends to the middle. This can facilitate the adjustment of the force receiving effect of the elastic member 220, and ensure that the elastic member 220 can be deformed in time when the pressure in the inner pot 300 is excessively large, thereby ensuring the reliability of the electric pressure cooker 1.
  • the lower end of the support post 210 is mounted on the resilient member 220 and the upper end abuts against the outer bottom surface of the inner pot 300. This can facilitate the fixation of the rigid support column 210, further facilitating the stability and reliability of the rigid support column 210.
  • the supporting column 210 is provided with a mounting hole
  • the outer pot 100 is provided with a mounting hole 112
  • the elastic member 220 is provided with an elastic member through hole
  • the supporting column 210 is fitted in the mounting hole
  • a mounting hole 112 and a threaded fastener in the elastic member through hole are mounted on the outer pot 100.
  • the electromagnetic heating plate 410 includes a coil disk 411, a coil, and a magnetic strip 414.
  • a coil groove is provided on the coil disk 411. The coil fits within the coil slot.
  • the magnetic strip 414 is disposed on the coil disk 411. In this way, the coil can be positioned by the coil groove to facilitate the installation of the coil and improve the stability of the coil.
  • the electromagnetic heating plate 410 further includes a magnetic strip holder 413 mounted on the coil disk 411, and the magnetic strip 414 is mounted on the magnetic strip holder 413.
  • the magnetic strip 414 can be positioned by the magnetic strip holder 413 to improve the stability of the magnetic strip 414, and the magnetic strip 414 can be first mounted on the magnetic strip holder 413 during installation, and then the magnetic strip 414 and The magnetic strip holder 413 is mounted on the coil disk 411 together, which facilitates the mounting of the magnetic strip 414 and simplifies the assembly process of the electromagnetic heating plate 410.
  • the coil disk 411 is integrally formed with the bracket 420. In this way, the structural strength and the connection strength of the coil disk 411 and the bracket 420 can be ensured, the assembly process of the electric pressure cooker 1 can be simplified, and the production efficiency of the electric pressure cooker 1 can be improved.
  • the coil disk 411 is attached to the bracket 420 by a threaded fastener. This can reduce the difficulty in manufacturing the bracket 420 and the coil disc 411 to facilitate the production and manufacture of the bracket 420 and the coil disc 411.
  • the magnetic strip fixing frame 413 is provided with a magnetic strip mounting groove
  • the coil plate 411 is provided with a magnetic strip positioning groove
  • the magnetic strip 414 is provided with a positioning protrusion
  • the magnetic strip 414 is matched with the magnetic strip.
  • the strip is mounted in the groove and the positioning protrusion is fitted in the magnetic strip positioning groove.
  • the magnetic strip 414 can be positioned by the magnetic strip positioning groove, the magnetic strip mounting groove and the positioning protrusion, which not only facilitates the installation of the magnetic strip 414, but also improves the stability of the magnetic strip 414 after installation.
  • the positioning protrusions include inner positioning protrusions 4141 and outer positioning protrusions 4142 respectively located at opposite ends of the magnetic strip 414, the magnetic strip positioning grooves including the center of the adjacent coil disk 411
  • the two ends of the magnetic strip 414 can be respectively positioned to further ensure the stability and reliability of the magnetic strip 414.
  • the magnetic strip holder 413 includes a plurality of magnetic strip positioning sleeves 4131, inner connecting ribs 4132, and outer connecting ribs 4133.
  • Each magnetic strip positioning sleeve 4131 has the magnetic strip mounting groove therein, and the inner ends of the plurality of magnetic strip positioning sleeves 4131 are connected and the outer ends are spaced apart.
  • the inner connecting ribs 4132 are respectively connected to the plurality of magnetic strip positioning sleeves 4131 and adjacent to the inner ends of the magnetic strip positioning sleeves 4131.
  • the outer connecting ribs 4133 are respectively connected to the plurality of magnetic strip positioning sleeves 4131 and adjacent to the outer ends of the magnetic strip positioning sleeves 4131.
  • the magnetic strip positioning sleeve 4131 may be provided with a reducing hole. Therefore, the molding of the magnetic strip fixing frame 413 can be facilitated, the material cost of the magnetic strip fixing frame 413 can be saved, and the stability of the magnetic strip fixing frame 413 can be ensured to ensure the fixing effect on the magnetic strip 414.
  • the outer edge of the magnetic strip holder 413 is provided with a relief groove 415 for avoiding the support column 210.
  • This can facilitate the arrangement of the support column 210, and the support column 210 can be positioned by the escape groove 415 to further improve the stability of the support column 210 and the electromagnetic heating plate 410.
  • the upper surface of the bracket 420 is provided with a decorative cover 500 on which the through hole 510 for escaping the support post 210 is disposed.
  • the decorative cover 500 may be provided with a pattern of protrusions and/or depressions.
  • the top surface of the bracket 420 can be decorated by the decorative cover 500, so that the interior of the electric pressure cooker 1 is more beautiful when the user removes the inner pot 300, and since the decorative cover 500 is provided with a through hole 510, the support column 210 can be avoided, and the support column can be 210 directly supports the inner pot 300 to prevent the decorative cover 500 from being damaged by pressure.
  • the support post 210 is integrally formed with the bracket 420. This simplifies the assembly process of the electric pressure cooker 1 and improves the production efficiency of the electric pressure cooker 1.
  • the support post 210 can be insert molded onto the bracket 420. This also enables the mounting of the support column 210.
  • the support column 210 is mounted on the outer pot 100 by screws or bolts. This can improve the stability of the support column 210.
  • a thermostat mounting hole 422 may be provided at the center of the bracket 420. Thus, the thermostat can be installed in the thermostat mounting hole 422 to facilitate detecting the temperature of the inner pot 300.
  • the outer pot 100 can be an elastic member.
  • the inner pot 300 can be supported by the support column 210.
  • the pressure applied to the support column 210 reaches a predetermined value, the bottom wall of the outer pot 100 is deformed to move the inner pot 300 downward, thereby depressurizing the electric pressure cooker 1.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
  • the meaning of "a plurality” is at least two, such as two, three, etc., unless specifically defined otherwise.
  • the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. Or in one piece; it may be a mechanical connection, or it may be an electrical connection or a communication with each other; it may be directly connected or indirectly connected through an intermediate medium, and may be an internal connection of two elements or an interaction relationship between two elements. Unless otherwise expressly defined. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • the first feature "on” or “under” the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact.
  • the first feature "above”, “above” and “above” the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Cookers (AREA)

Abstract

L'invention concerne un autocuiseur électrique (1), comprenant : un pot extérieur (100), le pot extérieur (100) étant pourvu de nervures de support (110); des éléments de support (200), les éléments de support (200) étant disposés à l'intérieur du pot extérieur (100); un pot intérieur (300), le pot intérieur (300) étant disposé à l'intérieur du pot extérieur (100) et supporté sur les éléments de support rigides (200), et une surface inférieure externe du pot interne (300) étant espacée d'une surface inférieure interne du pot externe (100); et un dispositif de chauffage électromagnétique (400) pour chauffer le pot interne (300), le dispositif de chauffage électromagnétique (400) étant disposé entre la surface inférieure externe du pot interne (300) et la surface inférieure interne du pot externe (100).
PCT/CN2016/099924 2016-08-03 2016-09-23 Autocuiseur électrique WO2018023863A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16911458.4A EP3332676B1 (fr) 2016-08-03 2016-09-23 Autocuiseur électrique

Applications Claiming Priority (20)

Application Number Priority Date Filing Date Title
CN201620840768.4 2016-08-03
CN201610634895.3A CN107296494A (zh) 2016-08-03 2016-08-03 电压力锅
CN201620840766.5U CN206197749U (zh) 2016-08-03 2016-08-03 电压力锅
CN201620841233.9 2016-08-03
CN201610634895.3 2016-08-03
CN201620838599.0 2016-08-03
CN201620838599.0U CN206560307U (zh) 2016-08-03 2016-08-03 电压力锅
CN201620840768.4U CN207084671U (zh) 2016-08-03 2016-08-03 电压力锅
CN201620841271.4U CN208259540U (zh) 2016-08-03 2016-08-03 电压力锅
CN201610634863.3A CN107684337A (zh) 2016-08-03 2016-08-03 电压力锅
CN201610634864.8 2016-08-03
CN201610634864.8A CN107684340B (zh) 2016-08-03 2016-08-03 电压力锅
CN201610634892.XA CN107684342A (zh) 2016-08-03 2016-08-03 电压力锅
CN201610634893.4 2016-08-03
CN201610634892.X 2016-08-03
CN201620841271.4 2016-08-03
CN201610634893.4A CN107296493A (zh) 2016-08-03 2016-08-03 电压力锅
CN201610634863.3 2016-08-03
CN201620841233.9U CN206586809U (zh) 2016-08-03 2016-08-03 电压力锅
CN201620840766.5 2016-08-03

Publications (1)

Publication Number Publication Date
WO2018023863A1 true WO2018023863A1 (fr) 2018-02-08

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WO (1) WO2018023863A1 (fr)

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USD874211S1 (en) 2018-08-09 2020-02-04 Sharkninja Operating Llc Food preparation device and parts thereof
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EP3332676B1 (fr) 2020-11-18
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